wireless: Set NL80211_EXT_FEATURE_CQM_RSSI_LIST in multiple drivers

Set the NL80211_EXT_FEATURE_CQM_RSSI_LIST wiphy extended feature
wholesale in all mac80211-based drivers that do not set the
IEEE80211_VIF_BEACON_FILTER flags on their interfaces.  mac80211 will
be processing supplied RSSI values in ieee80211_rx_mgmt_beacon and
will detect when the thresholds set by
ieee80211_set_cqm_rssi_range_config are crossed.  Remaining (few)
drivers need code to enable the firmware to monitor the thresholds.
This is mostly only compile-tested.

Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index ffb22a0..988c885 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1874,6 +1874,8 @@ void *carl9170_alloc(size_t priv_size)
 	for (i = 0; i < ARRAY_SIZE(ar->noise); i++)
 		ar->noise[i] = -95; /* ATH_DEFAULT_NOISE_FLOOR */
 
+	wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+
 	return ar;
 
 err_nomem: